'use strict'
Object.defineProperty(exports, '__esModule', { value: true })
exports.getMonths = exports.getMonthEndDay = exports.copyDates = exports.calcDateNum = exports.getNextDay = exports.getPrevDay = exports.getDayByOffset = exports.compareDay = exports.compareMonth = exports.formatMonthTitle = exports.ROW_HEIGHT = void 0
exports.ROW_HEIGHT = 64
function formatMonthTitle(date) {
  if (!(date instanceof Date)) {
    date = new Date(date)
  }
  return date.getFullYear() + '\u5E74' + (date.getMonth() + 1) + '\u6708'
}
exports.formatMonthTitle = formatMonthTitle
function compareMonth(date1, date2) {
  if (!(date1 instanceof Date)) {
    date1 = new Date(date1)
  }
  if (!(date2 instanceof Date)) {
    date2 = new Date(date2)
  }
  var year1 = date1.getFullYear()
  var year2 = date2.getFullYear()
  var month1 = date1.getMonth()
  var month2 = date2.getMonth()
  if (year1 === year2) {
    return month1 === month2 ? 0 : month1 > month2 ? 1 : -1
  }
  return year1 > year2 ? 1 : -1
}
exports.compareMonth = compareMonth
function compareDay(day1, day2) {
  if (!(day1 instanceof Date)) {
    day1 = new Date(day1)
  }
  if (!(day2 instanceof Date)) {
    day2 = new Date(day2)
  }
  var compareMonthResult = compareMonth(day1, day2)
  if (compareMonthResult === 0) {
    var date1 = day1.getDate()
    var date2 = day2.getDate()
    return date1 === date2 ? 0 : date1 > date2 ? 1 : -1
  }
  return compareMonthResult
}
exports.compareDay = compareDay
function getDayByOffset(date, offset) {
  date = new Date(date)
  date.setDate(date.getDate() + offset)
  return date
}
exports.getDayByOffset = getDayByOffset
function getPrevDay(date) {
  return getDayByOffset(date, -1)
}
exports.getPrevDay = getPrevDay
function getNextDay(date) {
  return getDayByOffset(date, 1)
}
exports.getNextDay = getNextDay
function calcDateNum(date) {
  var day1 = new Date(date[0]).getTime()
  var day2 = new Date(date[1]).getTime()
  return (day2 - day1) / (1000 * 60 * 60 * 24) + 1
}
exports.calcDateNum = calcDateNum
function copyDates(dates) {
  if (Array.isArray(dates)) {
    return dates.map(function(date) {
      if (date === null) {
        return date
      }
      return new Date(date)
    })
  }
  return new Date(dates)
}
exports.copyDates = copyDates
function getMonthEndDay(year, month) {
  return 32 - new Date(year, month - 1, 32).getDate()
}
exports.getMonthEndDay = getMonthEndDay
function getMonths(minDate, maxDate) {
  var months = []
  var cursor = new Date(minDate)
  cursor.setDate(1)
  do {
    months.push(cursor.getTime())
    cursor.setMonth(cursor.getMonth() + 1)
  } while (compareMonth(cursor, maxDate) !== 1)
  return months
}
exports.getMonths = getMonths
